Home / 7,581.52-11,373.74-2,652.56

Finding the Fourth Proportional to 7,581.52, 11,373.74 and 2,652.56

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Solution

The fourth proportional to 7,581.52, 11,373.74 and 2,652.56 is: 3,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.52 : 11,373.74 = 2,652.56 : x
  2. Step 2: Convert to fraction form
    7,581.52/11,373.74 = 2,652.56/x
  3. Step 3: Cross multiply
    7,581.52x = 11,373.74 × 2,652.56
  4. Step 4: Simplify right side
    7,581.52x = 30,169,527.77
  5. Step 5: Solve for x
    x = 30,169,527.77/7,581.52
  6. Step 6: Final answer
    x = 3,979.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.